code: def empty_embedding():
      return numpy.zeros((3, 0, 1024))
  
imports: from __future__ import with_statement
  from __future__ import absolute_import
  import argparse
  import json
  import logging
  import os
  import warnings
  import numpy
  import torch
  from allennlp.common.tqdm import Tqdm
  from allennlp.common.util import lazy_groups_of, prepare_global_logging
  from allennlp.common.checks import ConfigurationError
  from allennlp.data.token_indexers.elmo_indexer import ELMoTokenCharactersIndexer
  from allennlp.nn.util import remove_sentence_boundaries
  from allennlp.modules.elmo import _ElmoBiLm, batch_to_ids
  from allennlp.commands.subcommand import Subcommand
label_desc: Use image node_id 1 for calling a global function with example usage: empty_embedding() and returns: numpy